diff options
Diffstat (limited to 'llvm/test/CodeGen/SystemZ/zos-prologue-epilog.ll')
| -rw-r--r-- | llvm/test/CodeGen/SystemZ/zos-prologue-epilog.ll | 79 |
1 files changed, 3 insertions, 76 deletions
diff --git a/llvm/test/CodeGen/SystemZ/zos-prologue-epilog.ll b/llvm/test/CodeGen/SystemZ/zos-prologue-epilog.ll index d4196ac7835e..4934fee8410c 100644 --- a/llvm/test/CodeGen/SystemZ/zos-prologue-epilog.ll +++ b/llvm/test/CodeGen/SystemZ/zos-prologue-epilog.ll @@ -6,14 +6,7 @@ ; Small stack frame. ; CHECK-LABEL: func0 -; CHECK64: stmg 6, 7, 1872(4) -; stmg instruction's displacement field must be 2064-dsa_size -; as per ABI -; CHECK64: aghi 4, -192 - -; CHECK64: lg 7, 2072(4) -; CHECK64: aghi 4, 192 -; CHECK64: b 2(7) +; CHECK64: stmg 6, 7 define void @func0() { call i64 (i64) @fun(i64 10) ret void @@ -21,12 +14,7 @@ define void @func0() { ; Spill all GPR CSRs ; CHECK-LABEL: func1 -; CHECK64: stmg 6, 15, 1904(4) -; CHECK64: aghi 4, -160 - -; CHECK64: lmg 7, 15, 2072(4) -; CHECK64: aghi 4, 160 -; CHECK64: b 2(7) +; CHECK64: stmg 6, 15 define void @func1(i64 *%ptr) { %l01 = load volatile i64, i64 *%ptr %l02 = load volatile i64, i64 *%ptr @@ -79,8 +67,6 @@ define void @func1(i64 *%ptr) { ; Spill all FPRs and VRs ; CHECK-LABEL: func2 -; CHECK64: stmg 6, 7, 1744(4) -; CHECK64: aghi 4, -320 ; CHECK64: std 15, {{[0-9]+}}(4) * 8-byte Folded Spill ; CHECK64: std 14, {{[0-9]+}}(4) * 8-byte Folded Spill ; CHECK64: std 13, {{[0-9]+}}(4) * 8-byte Folded Spill @@ -97,27 +83,6 @@ define void @func1(i64 *%ptr) { ; CHECK64: vst 18, {{[0-9]+}}(4), 4 * 16-byte Folded Spill ; CHECK64: vst 17, {{[0-9]+}}(4), 4 * 16-byte Folded Spill ; CHECK64: vst 16, {{[0-9]+}}(4), 4 * 16-byte Folded Spill - -; CHECK64: ld 15, {{[0-9]+}}(4) * 8-byte Folded Reload -; CHECK64: ld 14, {{[0-9]+}}(4) * 8-byte Folded Reload -; CHECK64: ld 13, {{[0-9]+}}(4) * 8-byte Folded Reload -; CHECK64: ld 12, {{[0-9]+}}(4) * 8-byte Folded Reload -; CHECK64: ld 11, {{[0-9]+}}(4) * 8-byte Folded Reload -; CHECK64: ld 10, {{[0-9]+}}(4) * 8-byte Folded Reload -; CHECK64: ld 9, {{[0-9]+}}(4) * 8-byte Folded Reload -; CHECK64: ld 8, {{[0-9]+}}(4) * 8-byte Folded Reload -; CHECK64: vl 23, {{[0-9]+}}(4), 4 * 16-byte Folded Reload -; CHECK64: vl 22, {{[0-9]+}}(4), 4 * 16-byte Folded Reload -; CHECK64: vl 21, {{[0-9]+}}(4), 4 * 16-byte Folded Reload -; CHECK64: vl 20, {{[0-9]+}}(4), 4 * 16-byte Folded Reload -; CHECK64: vl 19, {{[0-9]+}}(4), 4 * 16-byte Folded Reload -; CHECK64: vl 18, {{[0-9]+}}(4), 4 * 16-byte Folded Reload -; CHECK64: vl 17, {{[0-9]+}}(4), 4 * 16-byte Folded Reload -; CHECK64: vl 16, {{[0-9]+}}(4), 4 * 16-byte Folded Reload -; CHECK64: lg 7, 2072(4) -; CHECK64: aghi 4, 320 -; CHECK64: b 2(7) - define void @func2(double *%ptr, <2 x i64> *%vec_ptr) { %l00 = load volatile double, double *%ptr %l01 = load volatile double, double *%ptr @@ -267,43 +232,5 @@ define void @func2(double *%ptr, <2 x i64> *%vec_ptr) { ret void } -; Big stack frame, force the use of agfi before stmg -; despite not requiring stack extension routine. -; CHECK64: agfi 4, -1040768 -; CHECK64: stmg 6, 7, 2064(4) -; CHECK64: agfi 4, 1040768 -define void @func3() { - %arr = alloca [130070 x i64], align 8 - %ptr = bitcast [130070 x i64]* %arr to i8* - call i64 (i8*) @fun1(i8* %ptr) - ret void -} - -; Requires the saving of r4 due to variable sized -; object in stack frame. (Eg: VLA) -; CHECK64: stmg 4, 8, 1856(4) -; CHECK64: aghi 4, -192 -; CHECK64: lmg 4, 8, 2048(4) -define i64 @func4(i64 %n) { - %vla = alloca i64, i64 %n, align 8 - %call = call i64 @fun2(i64 %n, i64* nonnull %vla, i64* nonnull %vla) - ret i64 %call -} - -; Require saving of r4 and in addition, a displacement large enough -; to force use of agfi before stmg. -; CHECK64: lgr 0, 4 -; CHECK64: agfi 4, -1040192 -; CHECK64: stmg 4, 8, 2048(4) -; CHECK64: lmg 4, 8, 2048(4) -define i64 @func5(i64 %n) { - %vla = alloca i64, i64 %n, align 8 - %arr = alloca [130000 x i64], align 8 - %ptr = bitcast [130000 x i64]* %arr to i64* - %call = call i64 @fun2(i64 %n, i64* nonnull %vla, i64* %ptr) - ret i64 %call -} - declare i64 @fun(i64 %arg0) -declare i64 @fun1(i8* %ptr) -declare i64 @fun2(i64 %n, i64* %arr0, i64* %arr1) + |